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<a name="boost.unit_test.data.monomorphic.delayed_dataset"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template delayed_dataset</span></h2>
<p>boost::unit_test::data::monomorphic::delayed_dataset — Delayed dataset. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../../header/boost/test/data/monomorphic/delayed_hpp.html" title="Header &lt;boost/test/data/monomorphic/delayed.hpp&gt;">boost/test/data/monomorphic/delayed.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> dataset_t<span class="special">,</span> <span class="keyword">class</span> <span class="special">...</span> Args<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="delayed_dataset.html" title="Class template delayed_dataset">delayed_dataset</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="keyword">decltype</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">declval</span><span class="special">&lt;</span> <span class="identifier">dataset_t</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">)</span> <a name="boost.unit_test.data.monomorphic.delayed_dataset.iterator"></a><span class="identifier">iterator</span><span class="special">;</span>

  <span class="keyword">enum</span> <a name="boost.unit_test.data.monomorphic.delayed_dataset.@3"></a>@3 <span class="special">{</span> arity = = dataset_t::arity <span class="special">}</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="delayed_dataset.html#boost.unit_test.data.monomorphic.delayed_datasetconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="delayed_dataset.html#idm44970735200672-bb"><span class="identifier">delayed_dataset</span></a><span class="special">(</span><span class="identifier">Args</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="delayed_dataset.html#idm44970735199696-bb"><span class="identifier">delayed_dataset</span></a><span class="special">(</span><a class="link" href="delayed_dataset.html" title="Class template delayed_dataset">delayed_dataset</a> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="delayed_dataset.html#idm44970735203776-bb">public member functions</a></span>
  <a class="link" href="../size_t.html" title="Class size_t">boost::unit_test::data::size_t</a> <a class="link" href="delayed_dataset.html#idm44970735203216-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">iterator</span> <a class="link" href="delayed_dataset.html#idm44970735201952-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="delayed_dataset.html#idm44970735198432-bb">private member functions</a></span>
  <span class="identifier">dataset_t</span> <span class="special">&amp;</span> <a class="link" href="delayed_dataset.html#idm44970735197856-bb"><span class="identifier">get</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">...</span> I<span class="special">&gt;</span> 
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">unique_ptr</span><span class="special">&lt;</span> <span class="identifier">dataset_t</span> <span class="special">&gt;</span> 
    <a class="link" href="delayed_dataset.html#idm44970735196736-bb"><span class="identifier">create</span></a><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">unit_test</span><span class="special">::</span><span class="identifier">data</span><span class="special">::</span><span class="identifier">index_sequence</span><span class="special">&lt;</span> <span class="identifier">I</span><span class="special">...</span> <span class="special">&gt;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45283078155056"></a><h2>Description</h2>
<p>This dataset holds another dataset that is instanciated on demand. It is constructed with the <code class="computeroutput">data::make_delayed&lt;dataset_t&gt;</code>(arg1,....) instead of the <code class="computeroutput">data::make</code>. </p>
<div class="refsect2">
<a name="idm45283078152832"></a><h3>
<a name="boost.unit_test.data.monomorphic.delayed_datasetconstruct-copy-destruct"></a><code class="computeroutput">delayed_dataset</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a name="idm44970735200672-bb"></a><span class="identifier">delayed_dataset</span><span class="special">(</span><span class="identifier">Args</span><span class="special">...</span> args<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a name="idm44970735199696-bb"></a><span class="identifier">delayed_dataset</span><span class="special">(</span><a class="link" href="delayed_dataset.html" title="Class template delayed_dataset">delayed_dataset</a> <span class="special">&amp;&amp;</span> b<span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm45283078140416"></a><h3>
<a name="idm44970735203776-bb"></a><code class="computeroutput">delayed_dataset</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a class="link" href="../size_t.html" title="Class size_t">boost::unit_test::data::size_t</a> <a name="idm44970735203216-bb"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="identifier">iterator</span> <a name="idm44970735201952-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm45283078128208"></a><h3>
<a name="idm44970735198432-bb"></a><code class="computeroutput">delayed_dataset</code> private member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="identifier">dataset_t</span> <span class="special">&amp;</span> <a name="idm44970735197856-bb"></a><span class="identifier">get</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">...</span> I<span class="special">&gt;</span> 
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">unique_ptr</span><span class="special">&lt;</span> <span class="identifier">dataset_t</span> <span class="special">&gt;</span> 
  <a name="idm44970735196736-bb"></a><span class="identifier">create</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">unit_test</span><span class="special">::</span><span class="identifier">data</span><span class="special">::</span><span class="identifier">index_sequence</span><span class="special">&lt;</span> <span class="identifier">I</span><span class="special">...</span> <span class="special">&gt;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
</ol></div>
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